html,body,#app{
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
}
#app{
  
}
.operation-box {
  display: flex;
  justify-content: space-around;
  align-items: center;
}
a{
 text-decoration: none;
}
.fs-14{
  font-size: 14px;
}
.fs-16{
  font-size: 16px;
}
.fs-18{
  font-size: 18px;
}
/* 滚动条  */
::-webkit-scrollbar {
  width: 8px;
}
/* 滚动槽 */
::-webkit-scrollbar-track {
  -webkit-box-shadow: inset006pxrgba(0, 0, 0, 0.3);
  border-radius: 10px;
}
::-webkit-scrollbar-thumb {
  border-radius: 10px;
  background: #a7a3a3;
  -webkit-box-shadow: inset006pxrgba(0, 0, 0, 0.5);
  
}
::-webkit-scrollbar-thumb:hover {
  background: #7c7878;
}